condition	mean	min	max
4 h after light	5.8355266666666665	5.59978	6.0945
8 h after light	5.80523	5.54723	6.11602
12 h after light	6.043823333333333	5.8554900000000005	6.22167
4 h after dark	6.091733333333333	5.87547	6.31612
8 h after dark	6.20623	6.04225	6.46812
12 h after dark	7.07053	6.99395	7.16995